package com.ywb.mapper;

import com.ywb.pojo.Dept;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface DeptMapper {
    /*查询所有的部门数据*/
    /*方式一 手动映射*/
//    @Results({
//            @Result(column = "create_time", property = "createTime"),
//            @Result(column = "update_time", property = "updateTime")
//    })
    /*方式二 起别名*/

    @Select("select id, name, create_time , update_time   from dept order by update_time desc")
//    @Select("select id, name, create_time createTime, update_time updateTime  from dept order by update_time desc")
    List<Dept> findAll();

    @Delete("delete from dept where id =#{id}")
    void deleteById(Integer id);

    @Insert("insert into dept(name,create_time,update_time) values(#{name},#{createTime},#{updateTime})")
    void insert(Dept dept);

    @Select("select id, name, create_time , update_time   from dept where id=#{id}")
    Dept getById(Integer id);

    @Update("update dept set name=#{name},update_time=#{updateTime} where id=#{id}")
    void update(Dept dept);
}
